Fractile's Series C reaches about $774M in Companies House share allotments
Fractile, a London maker of AI inference chips, has not formally announced a new funding round. Companies House filings, however, show about £577.4 million of new Series C shares allotted between 9 September and 23 October 2026, according to Dealroom, which put the total at roughly $774 million. Tech Funding News tallied the same filings at about £577 million, while Sifted, which first reported the filings on 29 October, had put the figure at £540 million, as Ultrathink reported.
The filings split into three classes. Series C-3 accounted for £392.2 million at £1,452.35 a share, the highest price. C-1 brought in £147.8 million at £801.54 a share, and C-2 added £37.4 million at £707.25 a share, which Dealroom says came from earlier investments converting into shares. Fractile's previous round, a $220 million Series B in May, valued the company at roughly $1 billion.
Bloomberg reported in August that Fractile had reached an initial deal to sell Anthropic about $250 million of chips and was in advanced talks to raise about $600 million at a $6.5 billion pre-money valuation. Dealroom, citing a Telegraph report from 1 November, says a round near $700 million at about $6.5 billion is expected, with Lightspeed and Redpoint leading. Whether the filed shares match those reported rounds is unconfirmed, and Fractile has not said how it will use the money.
Why it matters
For teams building inference products, the round signals that investors are funding hardware aimed at serving models, not only training them. Fractile's design keeps data beside the transistors that do the calculations, a pitch aimed at reducing reliance on GPUs. The company has claimed large speed and cost gains over GPU setups, and later investor materials framed those claims more conservatively, so buyers should treat performance figures as unproven until silicon ships.
For operators and sellers, the Anthropic arrangement shows a large buyer reserving capacity from a chip that does not yet exist, which affects how supply plans and vendor concentration get negotiated. For investors, the gap between share prices within one round and the difference between filed totals and press-reported valuations means terms should be checked against primary filings rather than estimates. The 2027 deployment date is the near-term test of whether early silicon can win production workloads.
Key points
- 1Companies House filings show about £577.4 million of new Series C shares allotted between 9 September and 23 October 2026.
- 2Series C-3 accounted for £392.2 million at £1,452.35 a share, the highest of three prices.
- 3Bloomberg reported an initial deal to sell Anthropic roughly $250 million of chips, with plans to expand it.
- 4Fractile expects to deploy its chips in data centers in 2027 and has not shipped a production chip.
- 5